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For anti-aging , various approved treatments address specific concerns

The results are consistently positive and the mechanistic data is compelling, but as of 2026 there are no completed Phase 3 human randomized controlled trials

Researchers originally identified GHK-Cu in human plasma in 1973 "for its ability to help older liver tissue behave more like younger tissue, said Jen Messer, a researcher, registered dietitian and president of the New Hampshire Academy of Nutrition and Dietetics

When to Contact a Medical Professional Contact your provider right away if you have: Unexplained fever with back pain Back pain after a severe blow or fall Redness or swelling on the back or spine Pain traveling down your legs below the knee Weakness or numbness in your buttocks, thigh, leg, or pelvis Burning with urination or blood in your urine Pain that is worse when you lie down, or awakens you at night Severe pain and you cannot get comfortable Loss of control of urine or stool (incontinence) Also contact your provider if: You have been losing weight unintentionally (not on purpose) You use steroids or intravenous drugs You have had back pain before, but this episode is different and feels worse This episode of back pain has lasted longer than 4 weeks Prevention Prevention varies, depending on the cause of the nerve damage